... grade: Q235/Q345B 3. Application: warehouse, workshop, hanga steel structure warehouse & workshop Steel structure warehouse is widely used in easy factory ... , steel building, metal building, modular house, steel frame for warehouse, workshop, garage etc, steel beams, other riveting and welding ... Fast construction, time saving and labor saving Terms: *Payment: L/C or by T/T(30% prepaid as deposi,the ...